Like many New Yorkers, Domenica D¡¯Ottavio contracted COVID-19 over the Christmas holidays. Her head clogged with congestion, her body ached; she coughed and spiked a fever.

But she also had another surprising symptom: relief.

¡°It was just a different feeling,¡± said D¡¯Ottavio, who had been fully vaccinated and boosted before getting infected. ¡°You don¡¯t realize until it¡¯s over that you¡¯ve been walking around with a tiny bit of fear in the back of your mind.¡±